Xylem LOWARA e-SVE - Page 27

en – Original instructions
27
Item
Terminals
Ref.
Description
Notes
Fault signal
C
4
COM - error status relay
Closed: error
Open: no error or unit off
NO
5
NO - error status relay
Auxiliary Voltage
Supply
15V 6 Auxiliary voltage supply +15 VDC 15VDC, Ʃ max. 100 mA
Analog input
0-10V
P2IN/S+
7
Actuator mode 0-10 V input
0÷10 VDC
P2C/S-
8
GND for 0-10 V input
GND, electronic ground (for S+)
External Pressure
sensor [also
Differential]
P1+ 9
Power supply external sensor +15
VDC
15VDC, Ʃ max. 100 mA
P1-
10
External sensor 4-20 mA input
4÷20 mA
External Start/Stop
START
11
External ON/OFF input reference
Default short circuited. Pump is enabled
to RUN
STOP
12
External ON/OFF input
External Lack of
Water
LOW+
13
Lack water input
Default short circuited.
Lack of water detection: enabled
LOW- 14
Low water reference
Communication
Bus
B1
15
RS485 port 1: RS485-1N B (-)
ACT, HCS control mode: RS 485 port1 for
external communication
MSE, MSY control mode: RS 485 port 1
for multi-pump systems
A1
16
RS485 port 1: RS485-1P A (+)
GND 17
Electronic GND
Communication
Bus
B2 18
RS485 port 2: RS485-2N B (-) active
only with optional module
RS 485 port2 for external
communication
A2 19
RS485 port 2: RS485-2P A (+) active
only with optional module
GND
20
Electronic GND
Fault signal
C
25
COM - error status relay
Closed: error
Open: no error or unit off
In case of power cables: use the M20
cable gland
NO 24 NO - error status relay
Motor running
signal
C
23
Common contact
Closed: motor in operation
Open: motor not in operation
In case of power cables: use the M20
cable gland
NO 22 Normally open contact
Auxiliary Voltage
Supply
15V 21 Auxiliary voltage supply +15 VDC
15VDC, Ʃ max. 100 mA
Analog input
0-10V
S+
20
Actuator mode 0-10 V input
0÷10 VDC
S-
19
GND for 0-10 V input
GND, electronic ground (for S+)
External Pressure
sensor [also
Differential]
P1+ 18
Power supply external sensor +15
VDC
15VDC, Ʃ max. 100 mA
P1-
17
External sensor 4-20 mA input
4÷20 mA
External pressure
sensor
P2+ 16
Power supply external sensor +15
VDC
15VDC, Ʃ max. 100 mA
P2-
15
Sensor 4-20 mA input
4÷20 mA
External Start/Stop
Start
14
External ON/OFF input
Default short circuited. Pump is enabled
to RUN
Stop
13
External ON/OFF input reference
External Lack of
Water
LoW+
12
Lack water input
Default short circuited. Lack of water
detection: enabled
LoW-
11
Low water reference
Communication
Bus
B2 10
RS485 port 2: RS485-2N B (-) active
only with optional module
RS 485 port2 for external
communication
1~
3~